CVE-2022-49085
kernel: drbd: Fix five use after free bugs in get_initial_state
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · February 26, 2025
Updated · September 13, 2026
Description
A flaw was found in the kernel component, specifically within the drbd module. A local attacker could exploit a use-after-free vulnerability in the get_initial_state function. This occurs when a socket buffer (skb) object is prematurely freed, but the program attempts to use it later. Successful exploitation could lead to a system crash, information disclosure, or potentially arbitrary code execution.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-825 · Expired Pointer Dereference